DHARMALINGAM, P.; J., P. F.; MURUGESAN, V.; BALASUBRAMANIAN, S. A cross sectional study on appropriate use of face mask among adults seeking primary health care services in Chennai. International Journal Of Community Medicine And Public Health, [S. l.], v. 8, n. 12, p. 5972–5978, 2021. DOI: 10.18203/2394-6040.ijcmph20214599. Disponível em: https://www.ijcmph.com/index.php/ijcmph/article/view/8990. Acesso em: 15 feb. 2026.